Behavioral task
behavioral1
Sample
2024-04-10_a1f8e225a03a077a541396dc61019b72_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_a1f8e225a03a077a541396dc61019b72_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-04-10_a1f8e225a03a077a541396dc61019b72_cryptolocker
-
Size
73KB
-
MD5
a1f8e225a03a077a541396dc61019b72
-
SHA1
5b1de627f09a4557da6b6661de4f7840d7905259
-
SHA256
c942e23c827aecb419567a62c877811730360527215056b770df22d516284640
-
SHA512
cc30799010ab146fa5524f52725c31b0fc7fd6de393c336b889aacf4f888e939cd440d22a595da52f7bdf256229263c704a99246a5075372460299fdccb16c2c
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalPG:1nK6a+qdOOtEvwDpj7
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-10_a1f8e225a03a077a541396dc61019b72_cryptolocker
Files
-
2024-04-10_a1f8e225a03a077a541396dc61019b72_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE